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EvC Forum ⇒ Science Forums ⇒ Biological Evolution ⇒

Lack of Human varieties. Genetic "cleansing" through history?

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Author Topic:   Lack of Human varieties. Genetic "cleansing" through history?
New Cat's Eye
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Message 8 of 21 (297822)
03-24-2006 2:07 PM 		Reply to: Message 3 by SantaClaus
03-17-2006 9:18 PM

maybe they were bred out
A couple of these lines branched off into different human species. What happened to neanderthal and the others we are beginning to learn of? Is it possible that they were killed off?
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If the neaderthals and modern humans had sterile offspring and there was a greater tendancy for a neanderthal to want to breed with a M. human than a M. human to want to breed with a neandethal, wouldn't that result in a decrease in the population of neanderthals?...until it reached zero?
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Or were you also including sexual selection in the phrase "killed off"?
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 Message 9 by SantaClaus, posted 03-24-2006 8:24 PM New Cat's Eye has replied
  
New Cat's Eye
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Message 16 of 21 (298684)
03-27-2006 12:54 PM 		Reply to: Message 9 by SantaClaus
03-24-2006 8:24 PM

Re: maybe they were bred out
ok, then so what?
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Lets assume no interbreeding and that the Neaders were killed off by modern humans. Now what?
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Its just another step in the evolutionary journey.
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New Cat's Eye
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Message 18 of 21 (298737)
03-27-2006 2:55 PM 		Reply to: Message 17 by SantaClaus
03-27-2006 1:28 PM

I'm not talking about extinction from an inability to adapt to a changing environment.
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But that IS what you are talking about. The Neandetals evironment changed, it became filled with modern humans, and they were unable to survive it.
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